Transposing-tracker for mechanical music-players.



, R. A. LEADBETER.

TRANSPOSING TRACKER FOR MECHANICAL MUSIC PLAYERS.

' APPLICATION FILED JULY 31. 1911- 1,145,426. Patented July 6,1915.

COLUMBIA PLANOORAPH CO..\VA8H|NGTON. D. c.

ICH-ABD a nsmwrmlpoe ,1)

o the accompanying drawings{1f v ention; relatesxto' n eoha ica'l music layers or type "in whic'hi the-{perfofated inusic sheet-"is drawn oy'er 'a' tracker and, controlsEthe' operationof the mechanism. tis'the (jjbj'ect of-the present inventiori to I -'1 ,proy-l de la 's'iniple and 'iefleetive means fOi' I adv justinfgthe" 'ic sheetandsitsicanrying' rolls .7 his endg the ntion consists in. a striicftionas hereinafter setxforthfi a I I .11 the drawingsyEigu -e 1 i "'front'ele- 'vation of thefconstr uction;

ejati onthereofi I; ifs the' track which islprov-idediwlth a f ports B controlled gby :the'emusie isp i c fifb musi a ili h thfi, e s-w und I vide for ithe {tr'ansp ositi'on ,0 the v This a 1 'jstablej frame pr blyleomprises flfrainednembers Gr H; af fi igdiat opposite fendsfotf the tracker box and which re Jsecured to" each other byaf'connectingl rbds' I J i'- passing 'abo efand-belowii-i saidhsibox The a I palrv-ofspacing barsKjjL inwhiohc' 'sepa g rate,d bearings zfor the-ya'rious spindles are jforme spindle lP andto the sprocket S fconnected .55" the djustment of spindl'e carrying that l lttro'imnnv A? LEAD? "Playersyzofwwhichs the following p ificat-ion; referencebeing had therei,

the-latter ispreferablyopei'ated'through the, medium oiflbell-cranklevers W and a connectinglllink X, 'l he-bell-crank lever isd'irectly 'connectedwith the rody and I is fulcrumed on a stationary bracketfiY,

laterally WithI respeet. tofithe tracker gyv herer: a I transposition'in key niay bei efiectedz-. I

2 1s annen'd,

/H andF'spi-ndleslIjournaled Ithereonz b On Wind g rolljD'land :spindlesl zEEF y, dun: a framewhichtisadjustable independent from the' tra ken"ibjoxr tures i frame--members 5 G may; made of cast T i id eaeh is preferably-.pmvided' with a 1 illustrated, the'jfr'ame member ,iG i-h'a :t h'e bearings M M for the spindle E,"

- and -bearings O O for the spindle P'of the f Q, is;;the countershaft on whichtheshiftableI clutehR is sleeved, by which motion is ial teljliiatively communicated to the Winding .ntofthe'rewinding spindle E. To permit of njrrggrr; MIGEIGrANgASlISiQNZbR ro e'rfin FAR ANb commem s-ups; QQBIORATLQNI-DRMICHIGAN! II ll are Tslidably secured in,

ithe trackengend plates G' if I I i is "a?! fhiftingfiro'd for. the adjustable fi'ame opefiated by any 'suitable fleontrol c011- 'nect=i'on. (not-shown) ,andV is a rod for controll irig the shi ftables clutch R B. T0 jprmit o-f shiftingth'e I spindle-carrying frame Withb ai' ings arranged'j atthe}top and bottom of :Ou-tmhfing'ingfthe' adjustment {of the clutch therefore shiftable' With 5 said iframe, but as the-rod X-is arrangedat right' angles to the v line; of adjustment ofsaid, frame'this move- Inent will notgchange the positi'on of the.

'75 bell-crank leversorthe clutch- R. I I

0peration, =the mu'sie sheet is carried by 1 the Winding.-andwmusic=holding rolls,"and is I e: therefor-e Shift-able with the I frame-members the other; handfthe tracker- A is tationary, I

relation. to the orts ,justmen't iiisF'suiii I variousmhanges'jnithe key desired.

portioiis utside Qof said tracker box, music- I holding splindles; rjsournaled iin said -'end='porti'ons 1o theflframe proj ecting through. aper 'said;atrackerqrb'ox;. into the-flatter, mechanism iI-fOI' adjusting; 1 said t am jrelae tive-.t'd.l the tracker-box,"mechanismadapted I to alternatively Wind and rewind themusie,

'and qneans -for, eonti'ollingsaid nieehanisni cofnpr'isingan adjustable clutch carried by :saidframe, and an operating connection for said clutch, and a stationary bracket to which a portion of said nisin'is connected. i I e 2- The combination with a stationarytracker and a trackervbox therefory j of a frame adjustable longitudinally of the operating mecha- I I tracker, music holding spindles journaled in r I said frame and extendinginto' thetracker box at each end thereof mechanism for ad 1 o t" j justing the frame relative "to the tracker,

"ls 'fob'tained in 

